“I’ve been looking at some video clips on YouTube of President Obama, then candidate Obama, going through Iowa making promises,” he said. “I think the gap between his promises and his performance is the largest I’ve seen, well, since the Kardashian wedding and the promise of ‘til death do we part.”

Kardashian, after all, filed for divorce after only 72 days of marriage with Kris Humphries, prompting laughter from the crowd.

Romney, not typically known for his pop references, has name-checked I Love Lucy and Twilight in the last year. His hesitancy might have something to do with his unsuccessful presidential bid in 2008, which saw him take a lot of mocking after quoting the song "Who Let the Dogs Out?"